Fluorescent Brightener Agent OB-2 [4,4''-Bis(5-methyl-2-benzoxazolyl)stilbene], 97%, 5g Back Catalog number: Q147 Availability: In the manufacturer's stock Price on request - + Recommended 676449 Methimazole, 250mg Price on request EPA-8290RSS Recovery Standard Solution, 1.2ml, nonane Price on request 92880 Oxygenates Standard Price on request